Dayton, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -31.7° (1994) 23.9° (1906) 2.82" 7.9"
February -5° -33.3° (1899) 22.8° (2000) 2.29" 6.1"
March 10° -21.7° (1980) 30.6° (1910) 3.37" 3.6"
April 17° -9.4° (1972) 32.2° (1942) 4.08" 0.6"
May 11° 22° -3.3° (1963) 36.7° (1911) 4.66" 0"
June 16° 27° 2.8° (1913) 38.9° (1988) 4.17" 0"
July 18° 29° 6.7° (1972) 42.2° (1901) 4.18" 0"
August 17° 28° 2.8° (1915) 40.6° (1918) 2.99" 0"
September 13° 24° -1.7° (1913) 38.9° (1899) 3.13" 0"
October 18° -7.8° (1895) 33.9° (1900) 2.93" 0.4"
November 11° -18.9° (1958) 30° (1909) 3.39" 0.6"
December -4° -28.9° (1989) 22.2° (1998) 3.13" 4.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 20° -18° (1963) 31° (1951) 0.15" 0"
May 2 20° -18° (1994) 31° (1959) 0.14" 0"
May 3 20° -18° (2005) 32° (1899) 0.15" 0"
May 4 20° -18° (1903) 31° (1949) 0.16" 0"
May 5 20° -18° (1907) 32° (1952) 0.15" 0"
May 6 20° -18° (1968) 32° (1949) 0.15" 0"
May 7 21° -18° (1974) 31° (1926) 0.15" 0"
May 8 21° -18° (1976) 32° (1926) 0.14" 0"
May 9 10° 21° -18° (1947) 33° (1896) 0.15" 0"
May 10 10° 21° -18° (1966) 34° (1896) 0.15" 0"
May 11 10° 21° -18° (1907) 34° (1896) 0.15" 0"
May 12 10° 21° -18° (1996) 31° (1902) 0.15" 0"
May 13 10° 22° -18° (1996) 31° (1982) 0.16" 0"
May 14 10° 22° -18° (1996) 32° (1991) 0.15" 0"
May 15 11° 22° -18° (1910) 33° (1900) 0.16" 0"
May 16 11° 22° -18° (1904) 34° (1900) 0.14" 0"
May 17 11° 22° -18° (1895) 34° (1900) 0.15" 0"
May 18 11° 22° -18° (1973) 34° (1962) 0.15" 0"
May 19 11° 22° -18° (2002) 33° (1962) 0.14" 0"
May 20 12° 23° -18° (1894) 33° (1911) 0.15" 0"
May 21 12° 23° -18° (1907) 33° (1902) 0.15" 0"
May 22 12° 23° -18° (2002) 33° (1902) 0.15" 0"
May 23 12° 23° -18° (1963) 32° (1939) 0.16" 0"
May 24 12° 23° -18° (1925) 32° (1975) 0.15" 0"
May 25 12° 23° -18° (1925) 33° (1939) 0.15" 0"
May 26 13° 24° -18° (1983) 35° (1911) 0.15" 0"
May 27 13° 24° -18° (1961) 35° (1911) 0.15" 0"
May 28 13° 24° -18° (1907) 37° (1911) 0.16" 0"
May 29 13° 24° -18° (1906) 37° (1911) 0.15" 0"
May 30 13° 24° -18° (1984) 35° (1895) 0.15" 0"
May 31 14° 24° -18° (1897) 36° (1895) 0.15" 0"
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